i see that you was try to install a Kessy system onto your car .
I know it was long time ago, but hope you have some feedback .
I also try install it.
I have Cluster + KEy + ELV from one car .
Dorr handle - no need to be as KessyModuel can be code to DOOR handle ot NOT.
So the basic is ELV+ KEY + Immo + start button.
Please come back to me if you have some feedback .